8GB Total. 1pcs 8GB PC3-10600 204 pin SODIMM DDR3 1333MHz CL9 Major brand memory.

Brand Computer Memory Solutions

LIFETIME WARRANTY BY Computer Memory Solutions

MAX MEMORY: 16GB

SOCKETS 2

COMPATIBLE WITH:

Apple MacBook Pro "Core i5" 2.4 13.3" MD313LL/A 

Identifiers: Late 2011 13" - MD313LL/A - MacBookPro8,1 - A1278 - 2555*